Blue-Ink Jellyfish and Siphonophores — Ernst Haeckel Postcard

Delicate blue-ink linework traces jellyfish and siphonophores in Ernst Haeckel's precise scientific drawing style — trailing tentacles, ribboned bodies, and a radiating ephyra floating across white paper.

• Density: 350 g/m²
• Size: 10×15 cm

A quiet, graphic pick for anyone drawn to monochrome nature studies rather than bright color plates.